Most US hospitals stopped administering nitrous oxide to women in labor decades ago, but the best thing about the dentist's office may be making a leap back into the maternity ward. A prominent hospital has decided to offer mothers to be the option to laugh their labor pains away, and new equipment designed to deliver the goofy gas to women during labor is about to hit the market this summer. If given the choice, mothers, would you have chosen to use laughing gas during the birth of your children?